Convert 7Z.019 to 001

Understanding 7z.019 and 001 file formats

7z.019 is a part of a multi-volume archive created by the 7-Zip compression tool. When large files are split into smaller parts for easier storage or transfer, each segment is given a sequential extension such as .7z.001, .7z.002, ..., .7z.019. These files are not standalone archives; they are fragments of a single compressed archive.

001 files are also split archive parts, commonly used by various archiving tools. The .001 extension typically represents the first part of a split archive, with subsequent parts named .002, .003, and so on. Like .7z.019, a .001 file is not a complete archive by itself.

Can you convert 7z.019 to 001?

Direct conversion from 7z.019 to 001 is not practical or meaningful, as both are split archive segments, but from different naming conventions or archiving tools. Instead, the correct approach is to recombine the split 7z archive and, if needed, re-split it using a tool that creates .001 files.

How to recombine and re-split archives

1. Recombine the 7z archive: Place all parts (.7z.001, .7z.002, ..., .7z.019) in the same folder. Use 7-Zip to extract the archive by right-clicking the .7z.001 file and selecting 7-Zip → Extract Here.
2. Re-split into .001 files (optional): If you need to split the extracted file into .001, .002, etc., use HJSplit or 7-Zip:
   • With 7-Zip: Right-click the file, choose 7-Zip → Add to archive, set the archive format (e.g., zip), and specify a split volume size (e.g., 100M) in the Split to volumes, bytes field. The output will be .zip.001, .zip.002, etc.
   • With HJSplit: Open HJSplit, select Split, choose your file, and set the desired split size.

Best software for handling 7z.019 and 001 files

• 7-Zip (Windows, free): Best for extracting and creating split archives. Download from 7-zip.org.
• HJSplit (Windows, free): Simple tool for splitting and joining files into .001, .002, etc. Download from hjsplit.org.

Summary

There is no direct conversion between 7z.019 and 001 files, as both are split archive parts. To work with these files, use 7-Zip to extract the full archive, then re-split if needed using 7-Zip or HJSplit.